JP2002328412A5

JP2002328412A5 -

Info

Publication number: JP2002328412A5
Application number: JP2001129769A
Authority: JP
Filing date: 2001-04-26
Publication date: 2004-09-09
Anticipated expiration: 2021-04-26

Description

【００１３】
【課題を解決するための手段】
請求項１の発明の照射角可変の照明装置は、光源手段からの光束を光学手段を介して、所定の照射角に変換して照射する照射角可変の照明装置において、
該光学手段は該光源手段の被写体側に位置し、垂直方向に屈折力を持つ複数のシリンドリカルレンズ面を備えた第１の光学部材と、前記屈折力を打ち消す屈折力を持つ複数のシリンドリカルレンズ面を備えた一対の第２の光学部材とを備え、前記第２の光学部材を水平方向に移動可能としたことを特徴としている。0013
[Means for solving problems]
The illuminating device having a variable irradiation angle according to claim 1 is a illuminating device having a variable irradiation angle that converts a luminous flux from a light source means into a predetermined irradiation angle via an optical means and irradiates the illuminating device.
The optical means is located on the subject side of the light source means, and has a first optical member having a plurality of cylindrical lens surfaces having a refractive power in the vertical direction, and a plurality of cylindrical lens surfaces having a refractive power that cancels the refractive power. The second optical member is provided with a pair of second optical members, and the second optical member can be moved in the horizontal direction.

【００１４】
請求項２の発明は、請求項１の発明において前記第１の光学部材における前記複数のシリンドリカルレンズは、前記第１の光学部材の水平方向中央部に形成され、周辺部は平面で形成されていることを特徴としている。0014.
According to a second aspect of the present invention, in the first aspect of the invention, the plurality of cylindrical lenses in the first optical member are formed in the central portion in the horizontal direction of the first optical member, and the peripheral portions are formed in a plane. It is characterized by being.

【００１５】
請求項３の発明は、請求項２の発明において前記第２の光学部材は、前記第１の光学部材における中央部から周辺部へ移動することを特徴としている。0015.
The invention of claim 3 is characterized in that, in the invention of claim 2, the second optical member moves from the central portion to the peripheral portion of the first optical member .

【００１６】
請求項４の発明は、請求項１の発明において前記光源手段は、水平方向に長い放電管であることを特徴としている。0016.
The invention of claim 4 is characterized in that, in the invention of claim 1, the light source means is a horizontally long discharge tube .

【００１７】
請求項５の発明は、請求項１の発明において前記第２の光学部材は、水平方向の中央部よりに水平方向に屈折力を持つ垂直方向に長い複数のプリズム列を有することを特徴としている。[0017]
The invention of claim 5 is characterized in that, in the invention of claim 1 , the second optical member has a plurality of vertically long prism rows having a horizontal refractive power from a central portion in the horizontal direction . ..

【００１８】
請求項６の発明は、請求項５の発明において前記第２の光学部材は、水平方向の周辺部に水平方向に屈折力を持つ垂直方向に長いフレネルレンズ面を有することを特徴としている。0018.
The invention of claim 6 is characterized in that, in the invention of claim 5, the second optical member has a vertically long frennel lens surface having a horizontal refractive power at a peripheral portion in the horizontal direction .

【００１９】
請求項７の発明は、請求項１の発明において前記移動可能な第２の光学部材の射出面の合計の長さは、第１の光学部材の射出面の長さの略半分の長さとなっていることを特徴としている。[0019]
In the invention of claim 7 , the total length of the ejection surface of the movable second optical member in the invention of claim 1 is approximately half the length of the ejection surface of the first optical member. It is characterized by being.

【００２０】
請求項８の発明の照射角可変の照明装置は、光源手段からの光束を光学手段を介して、所定の照射角に変換して照射する照射角可変の照明装置において、
該光源手段は水平方向に長い管状の発光体を有し、該光学手段は該光源手段から被写体側に順に、第１の光学部材と第２の光学部材を有しており、該第１の光学部材は短辺側を光源手段に対面して配置された水平断面内で台形状の形態を有し、第２の光学部材は該第１の光学部材の被写体側に対面して配置され水平方向に移動可能に射出光軸に対して対称で一対に形成されていることを特徴としている。0020
The illuminating device having a variable irradiation angle according to claim 8 is a illuminating device having a variable irradiation angle that converts a luminous flux from a light source means into a predetermined irradiation angle via an optical means and irradiates the illuminating device.
The light source means has a tubular light emitter that is long in the horizontal direction, and the optical means has a first optical member and a second optical member in order from the light source means to the subject side, and the first optical member. The optical member has a trapezoidal shape in a horizontal cross section arranged with its short side facing the light source means, and the second optical member is arranged facing the subject side of the first optical member and is horizontal. It is characterized by being formed in pairs symmetrically with respect to the emission optical axis so as to be movable in the direction .

【００２１】
請求項９の発明は、請求項８の発明において前記第１の光学部材の射出面の水平方向の中央部にシリンドリカルレンズ面が水平方向に屈折力を持つように垂直方向に長く形成され、該シリンドリカルレンズ面の水平方向の周辺部にフレネルレンズ面が水平方向に屈折力を持つように垂直方向に長く形成されていることを特徴としている。0021.
The invention of claim 9 is the invention of claim 8, wherein the cylindrical lens surface is formed vertically long at the center of the injection surface of the first optical member in the horizontal direction so as to have a horizontal refractive force. It is characterized in that the Frenel lens surface is formed long in the vertical direction so as to have a horizontal refractive force at the peripheral portion in the horizontal direction of the cylindrical lens surface .

【００２２】
請求項１０の発明は、請求項８の発明において前記第２の光学部材の射出面にフレネルレンズ面が水平方向に屈折力を持つように垂直方向に長く形成されていることを特徴としている。[0022]
The invention of claim 10 is characterized in that, in the invention of claim 8, the Fresnel lens surface is formed long in the vertical direction on the ejection surface of the second optical member so as to have a refractive power in the horizontal direction .

【００２３】
請求項１１の発明の照射角可変の照明装置は、光源手段からの光束を光学手段を介して、所定の照射角に変換して照射する照射角可変の照明装置において、
該光源手段は水平方向に長い管状の発光体を有し、該光学手段は該光源手段から被写体側に順に、第１の光学部材と第２の光学部材を有しており、該第１の光学部材は短辺側を光源手段に対面して配置された水平断面内で台形状の形態を有し、第２の光学部材は該第１の光学部材の射出面に対面して配置され水平方向に移動可能に設けられていることを特徴としている。[0023]
The illuminating device having a variable irradiation angle according to claim 11 is a illuminating device having a variable irradiation angle that converts a luminous flux from a light source means into a predetermined irradiation angle via an optical means and irradiates the illuminating device.
The light source means has a tubular light emitter that is long in the horizontal direction, and the optical means has a first optical member and a second optical member in order from the light source means to the subject side, and the first optical member. The optical member has a trapezoidal shape in a horizontal cross section arranged with the short side facing the light source means, and the second optical member is arranged horizontally facing the injection surface of the first optical member. It is characterized by being provided so as to be movable in the direction.

【００２４】
請求項１２の発明は、請求項１１の発明において前記第１の光学部材の射出面の水平方向の中央部にシリンドリカルレンズ面が水平方向に屈折力を持つように垂直方向に長く形成され、該シリンドリカルレンズ面の水平方向の周辺部にフレネルレンズ面が水平方向に屈折力を持つように垂直方向に長く形成されていることを特徴としている。0024
The invention of claim 12 is the invention of claim 11, wherein the cylindrical lens surface is formed vertically long at the center of the injection surface of the first optical member in the horizontal direction so as to have a horizontal refractive force. It is characterized in that the Frenel lens surface is formed long in the vertical direction so as to have a horizontal refractive force at the peripheral portion in the horizontal direction of the cylindrical lens surface.

【００２５】
請求項１３の発明は、請求項１１の発明において前記第２の光学部材の射出面の水平方向の両周辺部にフレネルレンズ面が水平方向に屈折力を持つように垂直方向に長く形成されていることを特徴としている。0025.
According to the thirteenth aspect of the present invention, in the invention of the eleventh aspect, the Fresnel lens surface is formed vertically long on both horizontal peripheral portions of the ejection surface of the second optical member so as to have a horizontal refractive power. It is characterized by being done.

【００２６】
請求項１４の発明の照射角可変の照明装置は、光源手段からの光束を光学手段を介して、所定の照射角に変換して照射する照射角可変の照明装置において、
該光学手段は、該光源手段に対して被写体側に位置し、該光源手段の正面に対面する位置から該光学手段の水平方向の周辺部の位置まで移動可能であり、該光学手段の射出面に複数のプリズム列を形成したことを特徴としている。0026
The illuminating device having a variable irradiation angle according to claim 14 is a illuminating device having a variable irradiation angle that converts a luminous flux from a light source means into a predetermined irradiation angle via an optical means and irradiates the illuminating device.
The optical means is located on the subject side with respect to the light source means, and can move from a position facing the front surface of the light source means to a position of a horizontal peripheral portion of the optical means, and is an ejection surface of the optical means. It is characterized by forming a plurality of prism rows .

Claims

In the illumination angle variable illumination apparatus, the luminous flux from the light source means is converted to a predetermined irradiation angle through the optical means and irradiated.
The optical means is located on the subject side of the light source means, and has a first optical member provided with a plurality of cylindrical lens surfaces having a refractive power in the vertical direction, and a plurality of cylindrical lens surfaces having a refractive power that cancels the refractive power. a pair of second and an optical member, the illumination device of the illumination angle variable, characterized in that the movable said second optical member in the horizontal direction with a.

The irradiation angle variable according to claim 1, wherein the plurality of cylindrical lenses in the first optical member are formed in the horizontal direction central portion of the first optical member, and the peripheral portion is formed in a plane. Lighting equipment.

The illumination device according to claim 2, wherein the second optical member moves from a central portion to a peripheral portion of the first optical member.

The illumination device as set forth in claim 1, wherein the light source means is a horizontally elongated discharge tube.

2. The illumination angle variable illumination device according to claim 1, wherein the second optical member has a plurality of vertically elongated prism rows having refractive power in the horizontal direction from a horizontal central portion.

6. The illumination device as set forth in claim 5, wherein the second optical member has a vertically long Fresnel lens surface having refractive power in the horizontal direction at the horizontal peripheral portion.

The total length of the exit surface of the movable second optical member is approximately half the length of the exit surface of the first optical member. Lighting device with variable illumination angle.

In the illumination angle variable illumination apparatus, the luminous flux from the light source means is converted to a predetermined irradiation angle through the optical means and irradiated.
The light source means comprises a horizontally elongated tubular light emitter, and the optical means comprises, in order from the light source means to the object side, a first optical member and a second optical member, The optical member has a trapezoidal shape in a horizontal cross section disposed with the short side facing the light source means, and the second optical member is disposed facing the object side of the first optical member and is horizontal An illumination device having a variable illumination angle, wherein the illumination device is formed in a pair symmetrically with respect to an emission optical axis so as to be movable in a direction.

A cylindrical lens surface is vertically elongated in the horizontal direction at the central portion in the horizontal direction of the exit surface of the first optical member so as to have refractive power in the horizontal direction, and a Fresnel lens surface is formed in the horizontal peripheral portion of the cylindrical lens surface. 9. The illumination angle variable illumination device according to claim 8 , wherein the light emitting device is elongated in the vertical direction so as to have a refractive power in the horizontal direction.

9. The illumination angle variable illumination device according to claim 8 , wherein a Fresnel lens surface is formed long in the vertical direction so as to have refractive power in the horizontal direction on the exit surface of the second optical member.

In the illumination angle variable illumination apparatus, the luminous flux from the light source means is converted to a predetermined irradiation angle through the optical means and irradiated.
The light source means comprises a horizontally elongated tubular light emitter, and the optical means comprises, in order from the light source means to the object side, a first optical member and a second optical member, The optical member has a trapezoidal shape in a horizontal cross section disposed with the short side facing the light source means, and the second optical member is disposed facing the emission surface of the first optical member and is horizontal An illumination device having a variable illumination angle, wherein the illumination device is provided so as to be movable in a direction.

A cylindrical lens surface is vertically elongated in the horizontal direction at the central portion in the horizontal direction of the exit surface of the first optical member so as to have refractive power in the horizontal direction, and a Fresnel lens surface is formed in the horizontal peripheral portion of the cylindrical lens surface. The illumination angle variable illumination device according to claim 11 , wherein the light emitting device is formed to be elongated in the vertical direction so as to have a refractive power in the horizontal direction.

The illumination according to claim 11 , characterized in that the Fresnel lens surface is formed long in the vertical direction so as to have refracting power in the horizontal direction at both peripheral portions in the horizontal direction of the exit surface of the second optical member. Angle variable lighting device.

In the illumination angle variable illumination apparatus, the luminous flux from the light source means is converted to a predetermined irradiation angle through the optical means and irradiated.
The optical means is located on the object side with respect to the light source means, and is movable from a position facing the front of the light source means to a position of a peripheral portion in the horizontal direction of the optical means An illumination angle variable illumination device characterized in that a plurality of prism rows are formed.